Methyl orange alkalinity

{
  "id": "MLC-T-ENV-017136",
  "term": "Methyl orange alkalinity",
  "field": "Environment",
  "term_source": "Methyl Orange Alkalinity",
  "definition": "1. A measure of the total alkalinity in a water sample. The alkalinity is measured by the amount of standard sulfuric acid required to lower the pH of the water to a pH level of 4.5, as indicated by the change in color of methyl orange from orange to pink. Methyl orange alkalinity is expressed as milligrams per liter equivalent calcium carbonate.\n\n2. A measure of the total alkalinity in a water sample in which the color of methyl orange reflects the change in level.",
  "subject": "Water",
  "references": [
    "Drinking Water Technical & Legal Terms",
    "Terms of Environment"
  ],
  "url": "https://mlchart.com/terminology/environment/methyl-orange-alkalinity/"
}